Recent Examples of fission from the Web
Now Compton, Fermi and Szilárd wanted to string together billions of fissions, with the neutrons released by one reaction triggering the next several.
Rubin inarguably deserved one, as did Lise Meitner who discovered nuclear fission alongside laureate Otto Hahn.
An atomic bomb uses either uranium or plutonium and relies on fission, a nuclear reaction in which a nucleus or an atom breaks apart into two pieces.
But today’s nuclear plants use fission, which splits atoms of rare metals like uranium.
Indeed, fission involves the cleaving of the nucleus into two large fragments.
But these were fission devices, with yields similar to the nuclear weapons that destroyed Hiroshima and Nagasaki, and the bombs that fell off target still inflicted massive damage on urban areas.
The North’s existing weapons, including shorter-range missiles with fission warheads, would imperil the lives of millions of South Koreans and Japanese, as well as around 300,000 Americans who live in those countries.
The larger nut is the fission primary, most likely based on the device tested last year, while the smaller one is an apparently spherical secondary of thermonuclear material.
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FISSION Defined for English Language Learners
FISSION Defined for Kids
medical Definition of fission
fissionverb fissioned; fissioning \ˈfish-(ə-)niŋ also ˈfizh-\
fissional\ˈfish-ən-ᵊl also ˈfizh-\ adjective
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